i18n enhancements, added German translations

includes/admin/single.php

@@ -71,7 +71,7 @@
 
 				if ( ! $snippet->active ) {
 					echo '   ';
-					submit_button( 'Save Changes & Activate', 'secondary', 'save_snippet_activate', false );
+					submit_button( __( 'Save Changes & Activate', 'code-snippets' ), 'secondary', 'save_snippet_activate', false );
 				}
 			?>
 		</p>

includes/class-list-table.php

@@ -139,20 +139,20 @@ function column_name( $snippet ) {
 		}
 
 		$actions['edit'] = sprintf(
-			'<a href="%s&edit=%s">Edit</a>',
+			'<a href="%s&edit=%s">' . __( 'Edit', 'code-snippets' ) . '</a>',
 			$code_snippets->admin_single_url,
 			$snippet->id
 		);
 		$actions['export'] = sprintf(
-			'<a href="%s">Export</a>',
+			'<a href="%s">' . __( 'Export', 'code-snippets' ) . '</a>',
 			add_query_arg( array(
 				'page' => $_REQUEST['page'],
 				'action' => 'export',
 				'id' =>	$snippet->id
 			) )
 		);
 		$actions['delete'] = sprintf(
-			'<a href="%1$s" class="delete" onclick="%2$s">Delete</a>',
+			'<a href="%1$s" class="delete" onclick="%2$s">' . __( 'Delete', 'code-snippets' ) . '</a>',
 			add_query_arg( array(
 				'page' => $_REQUEST['page'],
 				'action' => 'delete',
@@ -541,7 +541,7 @@ function search_notice() {
 			echo '<span class="subtitle">' . __('Search results', 'code-snippets');
 
 			if ( ! empty ( $_REQUEST['s'] ) )
-				echo sprintf ( __(' for &#8220;%s&#8221;'), esc_html( $_REQUEST['s'] ) );
+				echo sprintf ( __( ' for &#8220;%s&#8221;', 'code-snippets' ), esc_html( $_REQUEST['s'] ) );
 
 			echo apply_filters( 'code_snippets_list_table_search_notice', '' );
 			echo '</span>';

includes/help/import.php

@@ -17,7 +17,7 @@
 
 $screen->add_help_tab( array(
 	'id'		=> 'export',
-	'title'		=> __('Exporting'),
+	'title'		=> __( 'Exporting', 'code-snippets' ),
 	'content'	=>
 		'<p>' . sprintf( __('You can save your snippets to a Code Snippets (.xml) export file using the <a href="%s">Manage Snippets</a> page.', 'code-snippets'), $this->admin_manage_url ) . '</p>'
 ) );